[INFO] fetching crate cheddar 0.2.1...
[INFO] building cheddar-0.2.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate cheddar 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cheddar 0.2.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cheddar 0.2.1
[INFO] finished tweaking crates.io crate cheddar 0.2.1
[INFO] tweaked toml for crates.io crate cheddar 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82238b43c7a0ee3111d62cb24f1c01daeb2a1bf00e44019f002f0b1b477df444
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82238b43c7a0ee3111d62cb24f1c01daeb2a1bf00e44019f002f0b1b477df444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82238b43c7a0ee3111d62cb24f1c01daeb2a1bf00e44019f002f0b1b477df444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82238b43c7a0ee3111d62cb24f1c01daeb2a1bf00e44019f002f0b1b477df444", kill_on_drop: false }`
[INFO] [stdout] 82238b43c7a0ee3111d62cb24f1c01daeb2a1bf00e44019f002f0b1b477df444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee7c4109a494febe82033fcccc5ef47260ad2805d01627d455456b40e2271e74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee7c4109a494febe82033fcccc5ef47260ad2805d01627d455456b40e2271e74", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling any-cache v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling glsl v0.9.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling warmy v0.10.0
[INFO] [stderr]    Compiling cheddar v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1028:1
[INFO] [stdout]      |
[INFO] [stdout] 1028 | /// Parse a module separator and a module name.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1037:1
[INFO] [stdout]      |
[INFO] [stdout] 1037 | / /// Parse a module path.
[INFO] [stdout] 1038 | | ///
[INFO] [stdout] 1039 | | /// foo
[INFO] [stdout] 1040 | | /// foo.bar
[INFO] [stdout] 1041 | | /// foo.bar.zoo
[INFO] [stdout]      | |_--------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1060:1
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / /// Parse a symbol list.
[INFO] [stdout] 1061 | | ///
[INFO] [stdout] 1062 | | ///     ( item0, item1, item2, …)
[INFO] [stdout]      | |_--------------------------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | /// Parse an import list.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1082:1
[INFO] [stdout]      |
[INFO] [stdout] 1082 | /// Parse a module.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:759:24
[INFO] [stdout]     |
[INFO] [stdout] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stdout]     |                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "ee7c4109a494febe82033fcccc5ef47260ad2805d01627d455456b40e2271e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7c4109a494febe82033fcccc5ef47260ad2805d01627d455456b40e2271e74", kill_on_drop: false }`
[INFO] [stdout] ee7c4109a494febe82033fcccc5ef47260ad2805d01627d455456b40e2271e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54ba62c2085f239c1d1236520c86031fc16d3036789e93afcc6132dd07c0f926
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54ba62c2085f239c1d1236520c86031fc16d3036789e93afcc6132dd07c0f926", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1028:1
[INFO] [stdout]      |
[INFO] [stdout] 1028 | /// Parse a module separator and a module name.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1037:1
[INFO] [stdout]      |
[INFO] [stdout] 1037 | / /// Parse a module path.
[INFO] [stdout] 1038 | | ///
[INFO] [stdout] 1039 | | /// foo
[INFO] [stdout] 1040 | | /// foo.bar
[INFO] [stdout] 1041 | | /// foo.bar.zoo
[INFO] [stdout]      | |_--------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1060:1
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / /// Parse a symbol list.
[INFO] [stdout] 1061 | | ///
[INFO] [stdout] 1062 | | ///     ( item0, item1, item2, …)
[INFO] [stdout]      | |_--------------------------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | /// Parse an import list.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1082:1
[INFO] [stdout]      |
[INFO] [stdout] 1082 | /// Parse a module.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cheddar v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:759:24
[INFO] [stdout]     |
[INFO] [stdout] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stdout]     |                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1028:1
[INFO] [stdout]      |
[INFO] [stdout] 1028 | /// Parse a module separator and a module name.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1037:1
[INFO] [stdout]      |
[INFO] [stdout] 1037 | / /// Parse a module path.
[INFO] [stdout] 1038 | | ///
[INFO] [stdout] 1039 | | /// foo
[INFO] [stdout] 1040 | | /// foo.bar
[INFO] [stdout] 1041 | | /// foo.bar.zoo
[INFO] [stdout]      | |_--------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1060:1
[INFO] [stdout]      |
[INFO] [stdout] 1060 | / /// Parse a symbol list.
[INFO] [stdout] 1061 | | ///
[INFO] [stdout] 1062 | | ///     ( item0, item1, item2, …)
[INFO] [stdout]      | |_--------------------------------^
[INFO] [stdout]      |   |
[INFO] [stdout]      |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | /// Parse an import list.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]     --> src/lib.rs:1082:1
[INFO] [stdout]      |
[INFO] [stdout] 1082 | /// Parse a module.
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]      |
[INFO] [stdout]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:759:24
[INFO] [stdout]     |
[INFO] [stdout] 759 |   LoadError(FSKey, Box<Debug>),
[INFO] [stdout]     |                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "54ba62c2085f239c1d1236520c86031fc16d3036789e93afcc6132dd07c0f926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ba62c2085f239c1d1236520c86031fc16d3036789e93afcc6132dd07c0f926", kill_on_drop: false }`
[INFO] [stdout] 54ba62c2085f239c1d1236520c86031fc16d3036789e93afcc6132dd07c0f926
